1223321222013 has 8 divisors (see below), whose sum is σ = 1779376322976. Its totient is φ = 741406801200.

The previous prime is 1223321221999. The next prime is 1223321222027. The reversal of 1223321222013 is 3102221233221.

It is an interprime number because it is at equal distance from previous prime (1223321221999) and next prime (1223321222027).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1223321222013 - 2⁸ = 1223321221757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223321222213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18535169998 + ... + 18535170063.

It is an arithmetic number, because the mean of its divisors is an integer number (222422040372).

Almost surely, 2^{1223321222013} is an apocalyptic number.

It is an amenable number.

1223321222013 is a deficient number, since it is larger than the sum of its proper divisors (556055100963).

1223321222013 is a wasteful number, since it uses less digits than its factorization.

1223321222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37070340075.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1223321222013 its reverse (3102221233221), we get a palindrome (4325542455234).

The spelling of 1223321222013 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-one million, two hundred twenty-two thousand, thirteen".